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HURRICANE ISIDORE ADVISORY NUMBER  21
NATIONAL WEATHER SERVICE MIAMI FL
5 AM EDT SAT SEP 21 2002

...ISIDORE SLOWLY MOVING AWAY FROM CUBA BUT LIFE-THREATENING HEAVY 
RAINS CONTINUE THERE...THE NEXT THREAT IS TO THE NORTH COAST OF THE 
YUCATAN PENINSULA...
 
AT 5 AM EDT...0900Z...THE GOVERNMENT OF MEXICO HAS ISSUED A
HURRICANE WARNING FROM CABO CATOCHE TO PROGRESSO ON THE YUCATAN
PENINSULA.  A TROPICAL STORM WARNING AND HURRICANE WATCH REMAIN IN
EFFECT FROM TULUM TO CABO CATOCHE...INCLUDING THE ISLAND OF COZUMEL.
 
AT 5 AM EDT...0900Z...THE GOVERNMENT OF CUBA HAS DOWNGRADED THE
HURRICANE WARNING TO A TROPICAL STORM WARNING FOR THE WESTERN CUBA
PROVINCES OF MATANZAS...CIUDAD DE LA HABANA...LA HABANA AND PINAR
DEL RIO...INCLUDING THE ISLE OF YOUTH.
 
AT 5 AM EDT...0900Z...THE CENTER OF HURRICANE ISIDORE WAS LOCATED 
NEAR LATITUDE 22.4 NORTH...LONGITUDE  85.5 WEST OR ABOUT 50 
MILES...75 KM...NORTHWEST OF CABO SAN ANTONIO ON THE WESTERN TIP OF 
CUBA.  THIS POSITION IS ALSO ABOUT 120 MILES...190 
KM...EAST-NORTHEAST OF CABO CATOCHE ON THE NORTHEAST TIP OF THE 
YUCATAN PENINSULA.
 
ISIDORE IS MOVING TOWARD THE WEST-NORTHWEST NEAR  7 MPH
...11 KM/HR...AND MOSTLY WESTWARD MOTION IS EXPECTED FOR THE NEXT 24 
HOURS.  ON THIS TRACK...THE CENTER OF ISIDORE WILL MOVE NEAR THE 
NORTH COAST OF THE YUCATAN PENINSULA.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/HR...WITH HIGHER
GUSTS.  CONDITIONS ARE FAVORABLE FOR STRENGTHENING DURING THE NEXT 
24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO  25 MILES... 35 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 145 MILES...230 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS  964 MB...28.47 INCHES.

ALTHOUGH THE CENTER OF ISIDORE IS MOVING AWAY FROM CUBA...EXTREMELY 
HEAVY RAINFALL AMOUNTS...UP T0 20 TO 30 INCHES...ARE STILL POSSIBLE 
OVER PORTIONS OF WESTERN CUBA.

COASTAL STORM SURGE FLOODING ALONG THE SOUTH COAST OF CUBA...ALONG 
WITH LARGE AND DANGEROUS BATTERING WAVES...ARE EXPECTED TO GRADUALLY 
DIMINISH TODAY. 

COASTAL STORM SURGE FLOODING AS HIGH AS 4 TO 8 FEET ABOVE NORMAL 
TIDE LEVELS IS EXPECTED TO BEGIN ALONG THE NORTH COAST OF THE 
YUCATAN PENINSULA DURING THE NEXT 24 HOURS.
 
REPEATING THE 5 AM EDT POSITION...22.4 N... 85.5 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR  7 MPH.  MAXIMUM SUSTAINED
WINDS...100 MPH.  MINIMUM CENTRAL PRESSURE... 964 MB.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 8 AM EDT FOLLOWED BY THE NEXT
COMPLETE ADVISORY AT 11 AM EDT.
 
FORECASTER LAWRENCE
 
 
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